Please note, this only represents a (likely small) portion of Chinese audience. There were a lot of people opposing the idea. They initially posted their opposing view on GitHub issues so it was overwhelmed by disagreements. However, the author disabled the issues on that repo so it looks like it is the widely accepted opinion, which is not true.

Then, people start to write articles in order to show their disagreements. For example, there is one: https://github.com/CT-ABT/Also-as-a-mainland-Chinese-why-do-.... The only problem is that it does not have an English translation.